180 Rubber Grommet Gasket Hole Firewall Wire Set Assortment Kit Red Hound Auto Deluxe 180-Piece Rubber Grommet Set 7/8"(5) -- 3/8"(40) -- 5/8"(5) -- 1/4"(40) -- 5/16"(40) -- 1/2"(20) -- 7/16"(25) -- 1"(5) Kit includes many convenient, popular sizes Grommets are perfect for protecting wires running through frame, firewall, plastic and sheet metal Ideal for many shop, garage and home electrical applications